CA2640348A1 - Optical signal monitoring apparatus and method - Google Patents

Optical signal monitoring apparatus and method Download PDF

Info

Publication number
CA2640348A1
CA2640348A1 CA002640348A CA2640348A CA2640348A1 CA 2640348 A1 CA2640348 A1 CA 2640348A1 CA 002640348 A CA002640348 A CA 002640348A CA 2640348 A CA2640348 A CA 2640348A CA 2640348 A1 CA2640348 A1 CA 2640348A1
Authority
CA
Canada
Prior art keywords
optical
signal
sampling
optical signal
phase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002640348A
Other languages
English (en)
French (fr)
Inventor
Akihito Otani
Takao Tanimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anritsu Corp
Original Assignee
Anritsu Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anritsu Corp filed Critical Anritsu Corp
Publication of CA2640348A1 publication Critical patent/CA2640348A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
    • H04B10/677—Optical arrangements in the receiver for all-optical demodulation of the input optical signal for differentially modulated signal, e.g. DPSK signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07953—Monitoring or measuring OSNR, BER or Q
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA002640348A 2007-01-15 2007-12-11 Optical signal monitoring apparatus and method Abandoned CA2640348A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007-005762 2007-01-15
JP2007005762 2007-01-15
PCT/JP2007/073878 WO2008087810A1 (ja) 2007-01-15 2007-12-11 光信号モニタ装置及びその方法

Publications (1)

Publication Number Publication Date
CA2640348A1 true CA2640348A1 (en) 2008-07-24

Family

ID=39635815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002640348A Abandoned CA2640348A1 (en) 2007-01-15 2007-12-11 Optical signal monitoring apparatus and method

Country Status (5)

Country Link
US (1) US8019218B2 (de)
EP (1) EP2141469A4 (de)
JP (1) JP4883813B2 (de)
CA (1) CA2640348A1 (de)
WO (1) WO2008087810A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2351263A2 (de) * 2008-09-18 2011-08-03 Exfo Inc. Auf sampling basierendes ausgeglichenes detektionssystem

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102308500B (zh) * 2009-02-23 2014-08-06 爱斯福公司 全光学的、相位灵敏的光信号采样法
JP5486965B2 (ja) * 2010-03-10 2014-05-07 アンリツ株式会社 光位相変調評価装置及び光位相変調評価方法
WO2012053499A1 (ja) * 2010-10-18 2012-04-26 株式会社フジクラ 波長分散測定装置及びそれを用いた波長分散測定方法
KR101466213B1 (ko) * 2012-10-18 2014-11-27 에스케이 텔레콤주식회사 양자 암호키 분배 시스템에 있어서 차동 광위상변조 방법 및 장치
CN103534962B (zh) * 2013-06-06 2016-08-10 华为技术有限公司 光频率监控装置
US10397190B2 (en) * 2016-02-05 2019-08-27 Huawei Technologies Co., Ltd. System and method for generating an obfuscated optical signal
CN113644972B (zh) * 2020-05-11 2023-04-07 华为技术有限公司 一种光网络节点调测方法和控制设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986003356A1 (en) * 1984-11-22 1986-06-05 Devon County Council Data modem system
JPH0621891A (ja) * 1992-06-30 1994-01-28 Fujitsu Ltd コヒーレント光通信用光送信器評価装置
JP3796357B2 (ja) * 1997-12-01 2006-07-12 日本電信電話株式会社 光信号品質モニタ
US7200328B2 (en) 2001-07-13 2007-04-03 Nippon Telegraph And Telephone Corporation Method and system for determining origin of optical signal quality degradation
JP3772132B2 (ja) * 2001-07-13 2006-05-10 日本電信電話株式会社 光信号品質劣化要因監視方法および装置
JP2005070698A (ja) 2003-08-28 2005-03-17 National Institute Of Information & Communication Technology 光パルス分離装置
JP4476710B2 (ja) * 2004-06-21 2010-06-09 アンリツ株式会社 サンプリング装置および波形観測システム
JP3920297B2 (ja) * 2004-09-01 2007-05-30 富士通株式会社 光スイッチおよび光スイッチを利用した光波形モニタ装置
JP4443539B2 (ja) 2006-03-08 2010-03-31 アンリツ株式会社 光位相変調評価装置及びその位相校正方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2351263A2 (de) * 2008-09-18 2011-08-03 Exfo Inc. Auf sampling basierendes ausgeglichenes detektionssystem
EP2351263A4 (de) * 2008-09-18 2014-12-10 Exfo Inc Auf sampling basierendes ausgeglichenes detektionssystem
US9325428B2 (en) 2008-09-18 2016-04-26 Exfo Inc. Sampling-based balanced detection system

Also Published As

Publication number Publication date
JPWO2008087810A1 (ja) 2010-05-06
WO2008087810A1 (ja) 2008-07-24
EP2141469A4 (de) 2014-02-26
US20090034966A1 (en) 2009-02-05
EP2141469A1 (de) 2010-01-06
US8019218B2 (en) 2011-09-13
JP4883813B2 (ja) 2012-02-22

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued